Adaptive relay selection and power allocation for hybrid relay systems

Author

Ayoung Heo ; Yeon-Jea Cho ; Seung-Ri Jin ; Dong-Jo Park

Author_Institution

Sch. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol. (KAIST), Daejeon, South Korea

fYear

2012

fDate

12-14 Dec. 2012

Firstpage

117

Lastpage

120

Abstract

In this paper, we propose an adaptive power allocation method for hybrid relay systems that employ the amplify-and-forward and decode-and-forward protocols simultaneously. The total transmission power is analytically allocated to a source and two selected relays by the proposed power allocation criterion to maximize the overall received signal-to-noise ratio at the destination. Simulation results show that the proposed scheme achieves better performance than that of conventional cooperative schemes or hybrid systems with equal power allocation.

Keywords

amplify and forward communication; decode and forward communication; relay networks (telecommunication); adaptive power allocation method; adaptive relay selection; amplify-and-forward protocols; conventional cooperative schemes; decode-and-forward protocols; hybrid relay systems; hybrid systems; received signal-to-noise ratio; total transmission power; Adaptive systems; Cost function; Hybrid power systems; Protocols; Relays; Resource management; Signal to noise ratio;

fLanguage

English

Publisher

ieee

Conference_Titel

Future Generation Communication Technology (FGCT), 2012 International Conference on

Conference_Location

London

Print_ISBN

978-1-4673-5859-0

Type

conf

DOI

10.1109/FGCT.2012.6476554

Filename

6476554